diff --git a/toolkit/mozapps/notificationserver/moz.build b/toolkit/mozapps/notificationserver/moz.build
index 935de86c52f0..f3a943da8bdd 100644
--- a/toolkit/mozapps/notificationserver/moz.build
+++ b/toolkit/mozapps/notificationserver/moz.build
@@ -26,6 +26,7 @@ DEFINES["IMPL_MFBT"] = True
 OS_LIBS += [
     "advapi32",
     "kernel32",
+    "runtimeobject",
     "user32",
 ]